APPENDICES

407

L. LAND ALTITUDES IN RUBe AL KHALI.

Note.—This list, prepared from my aneroid and hypsometer
readings by the staff of the Royal Geographical Society, should
be regarded as provisional.

+ —above sea-level - = below sea-level ? = estimated altitude
Altitude in feet. Locality.

Sea-level. 'Uqair.

+425 Hufuf.

+470 Qasr Dulaiqiya.

+420 BirNabit.

+250? Ba'aij wells.

Sea-level. Salwa.

+140 Qarn Abu Wail.

- 20 Sikak.

+140 Abu Arzila well.

— 5 Anbak.

+120 Judairat well.

+ 225 Hafair ibn al Adham well.

+450 Qadha weU.

+ 510 Wadi Sahba.

+ 560 SurralMald.

+415 Birkanwell.

+450 Khirt village.

Remarks,
on coast,
town.

camp at+325.
on coast.

top of isolated hill,
at foot of above.

bed of estuary.

camp in channel,
in channel,
camp at+ 580?

(Major Chee&nan*s alti-
\ tude for this locality +
1604.

foot of ridge+550?

+490 Jabrin (Umm al Ramad).

+ 570 Qasr ibn Dahbash.

+ 635 Hafair wells (Jabrin basin)

+ 670 Dharbun summit.

+ 615 Qalibawell.

+585 <Uj weU.

+ 680 Bir ibn Juhaiyim.

+ 850 Haqainama well.

+ 775 BirFadhil.

+ 855 Shuqqat al Khalfat. shell deposit.

+ 800 Numaila well.

+ 600 Tuwairif a well.

+765 Wabar craters.

+ 590 Farajawell.

+ 680 Umm al Hadid weU.

+ 660 Ibrahima well.

+785 Hajari Tasrat valley. camp*

+ 600 Hajari Ma'shiya valley. camp,

+ 790 Khillat Judair. camp.